The moving average is the weighted average of the daily closing price, thus obtaining a trend trajectory. The moving average system is a common technical tool for most analysts. From a technical point of view, the psychological price factors that affect technical analysts. Thinking about the decision-making factors of trading is a good reference tool for technical analysts, which lags behind the price changes.

Random indicator KDJ is a point formed by calculating the highest price, lowest price and closing price. The obtained K value, D value and J value are respectively on the coordinate of the indicator, and countless such points are connected to form a complete KDJ indicator that can reflect the price fluctuation trend. It is a technical tool that mainly uses the real amplitude of price fluctuation to reflect the strength of price trend and the phenomenon of overbought and oversold, and sends out buying and selling signals before the price rises or falls. When the KDJ index is above 80, it is overbought and the stock price will fall at any time. 50-80 is a strong market. During this period, the fluctuation is normal. Under 50, it is drowning. Below 20, the stock price does not rise. The stock price bounces back at any time. There are also three lines above 80, and there is a downward fork in the high position. Theoretically, below 20 is a selling signal, and an upward gold fork is a buying signal.